Results 41 to 50 of about 304 (180)

Investigating the Effects of Air‐Jet on the Performance of a Hybrid Darrieus–Savonius Wind Turbine

International Journal of Energy Research, Volume 2026, Issue 1, 2026.
The power performance of a hybrid three–bladed H‐Darrieus turbine and a two‐bladed Savonius turbine is analyzed by adding air‐jet deflectors. Aluminum is selected for the blade design due to its high strength, lightweight, and corrosion resistance. Experimental analyses were conducted using the developed prototype with and without an air jet in an open
Kelemwork Abebe Gebreegziabiher, Gebrehiwot Azanaw Nigusie, Esubalew Walelign Mani, Samuel Tesfaye Mekonone, Yihun Tefera Sintie, Cheng Du   +5 more
wiley   +1 more source

Estimation of power performances and flow characteristics for a Savonius rotor by vortex particle method

Wind Energy, 2023
This study investigates the implementation of the vortex particle method (VPM) with the goal of efficiently and accurately estimating the power performances and flow characteristics for a Savonius rotor.
Jingna Pan, Carlos Ferreira, Alexander vanZuijlen   +2 more
doaj   +1 more source

Optimizing a Straight‐Bladed Vertical Axis Wind Turbine With Computational Fluid Dynamics (CFD), Artificial Neural Network (ANN), and Genetic Algorithm (GA)

Energy Science &Engineering, Volume 13, Issue 12, Page 6003-6016, December 2025.
ABSTRACT Vertical axis wind turbine (VAWT) is a suitable renewable power generation tool for use in urban areas, especially at low wind speeds and with low noise level. However, an approach with accurate results, acceptable time consumption, and cost for optimizing this turbine is not reported in the literature.
Sepehr Sanaye, Saeed Yazdani, Armin Farvizi   +2 more
wiley   +1 more source

Exhalation‐Driven Mask‐Valve‐Integrated Triboelectric Nanogenerator with Amplified Output Current

Small Structures, Volume 6, Issue 12, December 2025.
An exhalation‐driven mask‐valve‐integrated triboelectric nanogenerator (EM‐TENG) generates high output current and power with low impedance at low airflow speeds within a compact size of 3.87 cm3, and with an optimized design, it is not affected by moisture.
Sujung Kang, Deokjae Heo, Seh‐Hoon Chung, Myunghwan Song, Sunghan Kim, Youngho Jin, Jinkee Hong, Sangmin Lee   +7 more
wiley   +1 more source

Investigation of the blade tip geometry for improved performance of a Savonius rotor

Results in Engineering
Savonius wind rotors are highly effective at capturing wind energy due to their unique design, which includes vertically curved blades that can harness wind from multiple directions.
Ahmed Ayadi, Nour Rabeh, Jihen Marzougui, Ridha Ennetta, Zied Driss   +4 more
doaj   +1 more source

Aerodynamic Analysis of Novel Savonius Rotor

International Journal for Research in Applied Science and Engineering Technology, 2021
Abstract: Wind is a renewable form of energy that holds vital solutions to energy crisis that will be faced in the possible future. Apart from the viable lift based turbines that we have been working on, research can be done on drag based turbines that can be installed in urban areas for short power requirements. The research aims at developing a novel
openaire   +1 more source

Performance Improvement of Hybrid Vertical Axis Wind Turbines Equipped With J‐Shaped Blades

Energy Science &Engineering, Volume 13, Issue 9, Page 4433-4444, September 2025.
This study presents a novel hybrid vertical axis wind turbine, utilizing J‐shaped blades in Darrieus rotor. The proposed configuration shows the potential of J‐shaped blades in improving the overall performance of hybrid rotors. ABSTRACT Vertical axis wind turbines (VAWTs) are emerging as a promising solution for urban wind energy harvesting, owing to ...
Narges Kashani, Mojtaba Mirhosseini, Rouhollah Ahmadi, Hamidreza Mirzaeian   +3 more
wiley   +1 more source

Performance of Savonius Rotor for Environmentally Friendly Hydraulic Turbine

Journal of Fluid Science and Technology, 2008
The aim of this investigation was to develop an environmentally friendly nano-hydraulic turbine. A model of a two-bucket Savonius type hydraulic turbine was constructed and tested in a water tunnel to arrive at an optimum installation condition.
Miyoshi NAKAJIMA, Shouichiro IIO, Toshihiko IKEDA   +2 more
doaj   +1 more source

Meteorological Assessment of Vertical Axis Wind Turbine Energy Microgeneration Potentials Across Two Swiss Cities Located in Complex Terrain

Wind Energy, Volume 28, Issue 8, August 2025.
ABSTRACT Wind energy is the most mature renewable energy technology; however, its exploitation in cities is often met with skepticism. Thanks to their ability to operate at low wind speed regardless of direction, vertical axis wind turbines (VAWTs) offer an attractive opportunity for wind energy harvesting in cities. However, limited evidence exists on
Aldo Brandi, Gabriele Manoli
wiley   +1 more source

A High‐Durability Triboelectric Nanogenerator for Broad‐Spectrum Wind Energy Harvesting

Advanced Materials Interfaces, Volume 12, Issue 14, July 25, 2025.
This study presents an easy‐starting and high‐durability triboelectric nanogenerator (ESHD‐TENG) for efficient broad‐spectrum wind energy harvesting. By integrating a fan blade design and a mode‐switching mechanism, the device achieves a low cut‐in wind speed of 0.9 m −1s and significantly enhanced durability, addressing key challenges in current TENG ...
Long Jin, Jiabin Zhang, Yong Ao, Tianpei Xu, Xi Xiong, Tingting Zhou, Yiheng Liu, Weili Deng, Weiqing Yang   +8 more
wiley   +1 more source